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Show HN: Signum – Kotlin Multiplatform Cryptography and PKI Library

https://github.com/a-sit-plus/signum
10•JesusMcCloud•1w ago
An OSS KMP crypto + PKI library with a comprehensive ASN.1 engine. Android and iOS targets come with hardware-backed crypto + key storage, and native biometric auth.

Show HN: I rebuilt my AI browser game using 100 pieces of feedback from HN

https://0.space/
4•stevekwon211•1h ago•0 comments

Show HN: AgentAPI – HTTP API for Claude Code, Goose, Aider, and Codex

https://github.com/coder/agentapi
131•hugodutka•16h ago•13 comments

Show HN: I built an AI-powered packaged food ingredients list vegetarian scanner

https://rkyverify.vercel.app/
2•gashmod-rey•2h ago•0 comments

Show HN: Happy Little Monoliths, First Edition

https://hire.jonasgalvez.com.br/happy-little-monoliths/#hn
3•jgalvez•5h ago•0 comments

Show HN: HN Watercooler – listen to HN threads as an audio conversation

https://onetake-ai.github.io/hackernews-watercooler/
47•sebastiennight•14h ago•52 comments

Show HN: Stadium Crowd Scale Visualise Large Groups of People

https://davkap92.github.io/crowdscale/
8•davkap92•3d ago•0 comments

Show HN: val – An arbitrary precision calculator language

https://github.com/terror/val
31•crap•13h ago•14 comments

Show HN: Plandex v2 – open source AI coding agent for large projects and tasks

https://github.com/plandex-ai/plandex
234•danenania•1d ago•77 comments

Show HN: Unsure Calculator – back-of-a-napkin probabilistic calculator

https://filiph.github.io/unsure/
907•filiph•3d ago•161 comments

Show HN: Zuni (YC S24) – AI Copilot for the Browser

https://zuni.app
14•willgtaylor•18h ago•10 comments

Show HN: Weblook – a headless webapp screenshot tool written in Rust

https://github.com/TrippingKelsea/weblookrs
5•TheKelsbee•13h ago•0 comments

Show HN: We Put Chromium on a Unikernel (OSS Apache 2.0)

https://github.com/onkernel/kernel-images
125•juecd•1d ago•46 comments

Show HN: Startup Success Calculator

https://app.tactyqal.com
17•parth79•1d ago•4 comments

Show HN: Torque – A lightweight meta-assembler for any processor

https://benbridle.com/projects/torque.html
76•benbridle•2d ago•30 comments

Show HN: Resonate – real-time high temporal resolution spectral analysis

https://alexandrefrancois.org/Resonate/
75•arjf•2d ago•30 comments

Show HN: I built a deep learning engine from scratch in Python

https://github.com/whitegra/dolphin
26•gmwhitebox_dev•1d ago•1 comments

Show HN: Lit.money – Ethically designed to be a private, simple way to see money

https://lit.money/
13•mhrnik•23h ago•7 comments

Show HN: Resurrecting Infocom's Unix Z-Machine with Cosmopolitan

https://christopherdrum.github.io/posts/2025/04/porting-infocom-with-cosmo
154•ChristopherDrum•4d ago•50 comments

Show HN: Nicely designed editor for mockups and screenshots

https://postspark.app
5•world1dan•16h ago•1 comments

Show HN: BorgLens – Securely access your Borg backup anywhere, anytime on iOS

https://apps.apple.com/us/app/borglens/id6743801028
5•tingx•17h ago•1 comments

Show HN: Open-Source Conversational Analytics

https://github.com/Channel-Labs/conversational-product-analytics
2•otterk10•17h ago•0 comments

Show HN: MCP-Shield – Detect security issues in MCP servers

https://github.com/riseandignite/mcp-shield
133•nick_wolf•3d ago•39 comments

Show HN: InferX – an AI-native OS for running 50 LLMs per GPU with hot swapping

3•pveldandi•18h ago•1 comments

Show HN: Serverless MCP – Debug AWS serverless resources in your IDE

https://www.serverless.com/framework/docs/guides/mcp
8•fitzgera1d•16h ago•0 comments

Show HN: Zero-codegen, no-compile TypeScript type inference from Protobufs

https://github.com/nathanhleung/protobuf-ts-types
138•18nleung•3d ago•71 comments

Show HN: Chonky – a neural approach for text semantic chunking

https://github.com/mirth/chonky
166•hessdalenlight•6d ago•35 comments

Show HN: C++ library for embedded and IoT projects (ESP32)

https://github.com/open-control-systems/control-components
8•dshil•21h ago•0 comments

Show HN: I made a free tool that analyzes SEC filings and posts detailed reports

https://www.signalbloom.ai/news/
285•GodelNumbering•4d ago•90 comments

Show HN: Fp-filters – A curated collection of TS/JS array filter functions

https://www.npmjs.com/package/fp-filters
10•oaxoa•1d ago•1 comments

Show HN: Single-Header Profiler for C++17

https://github.com/DmitriBogdanov/UTL/blob/master/docs/module_profiler.md
68•GeorgeHaldane•3d ago•11 comments